Corvette C8.R-005 Heads to Auction: One of Six Factory-Built Pratt Miller Race Cars

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Every so often, a Corvette shows up for sale that isn’t just “rare” in the usual collector-car sense—it’s rare because it was never meant to live a normal life in the first place. Corvette C8.R-005, one of only six C8.R chassis built by Pratt Miller for Corvette Racing’s GTE-era program, is currently listed on Hemmings Auctions. And that matters, because legit factory-developed race cars rarely surface in a public marketplace—especially with this kind of provenance and support story.

This isn’t a dressed-up track toy or a “race-inspired” build. The listing positions C8.R-005 as the real deal: an ex-Corvette Racing chassis with documented competition history, restored post-retirement, and stored at Pratt Miller’s facility in New Hudson, Michigan—about as close to “source code” as it gets in Corvette Racing circles.

What you’re actually buying (and why it’s different than any street C8)

Away from the chaos of pit lane, this shot tells the other side of the C8.R story—the *engineering-first* side. Sitting under the lights like a piece of modern sculpture, you can see how radically different a true factory race car is from any street C8: the exaggerated front dive planes, the deep side intakes feeding heat exchangers, the quick-service hardware, the massive rear wing, and the stance that looks more “prototype” than “production.” It’s a reminder that C8.R-005 isn’t just rare because it’s for sale—it’s rare because it represents the uncompromised version of Corvette, built to survive long stints, brutal curbs, and the kind of sustained punishment only endurance racing can deliver.

Start with the basics: C8.R was the factory-backed, mid-engine Corvette built to GTE regulations for top-level endurance racing. The listing notes that the C8.R shared overall length and wheelbase with a production Stingray, but it’s substantially reworked for competition—wider, lower, and far lighter, with a stated base weight of 2,745 lbs.

Then there’s the powertrain. According to the listing, C8.R-005 runs a GM LT6.R 5.5-liter, flat-plane-crank, naturally aspirated V8 with dry sump, rated at 500 horsepower at 7,400 rpm and 480 lb-ft of torque, paired with an Xtrac P529 six-speed sequential with Megaline paddleshift. That’s a fundamentally different experience than any street C8—more purpose, more noise, more immediacy, and far less forgiveness.

Provenance: Le Mans starts + an IMSA win record that reads like a résumé

Captured mid-corner and fully loaded, this image speaks to what the résumé actually looks like in motion. C8.R-005 isn’t defined by spec sheets or press releases—it’s defined by tire marks, curb strikes, and lap times earned the hard way. The stance, the aero working in unison, and the unmistakable Corvette Racing livery all underscore that this chassis didn’t just *participate* in IMSA—it performed. Wins and podiums come from consistency over long stints, from balance under braking, and from a car that drivers trust at the limit. This photo is the proof: C8.R-005 doing exactly what it was built to do.

The listing makes the provenance case clearly: C8.R-005 ran Le Mans in 2021 and 2022, and it logged 11 races in the 2023 IMSA SportsCar Championship with six podiums and two wins. It also notes a 6th-place finish at Le Mans in 2021.

Driver attribution is included as well, tying this chassis to names Corvette fans already know:

2021 Le Mans (#64): Tommy Milner, Nick Tandy, Alexander Sims
2022 Le Mans (#63): Antonio Garcia, Jordan Taylor, Nicky Catsburg
2023 IMSA (#3): Antonio Garcia, Jordan Taylor, Tommy Milner

For a collector, that matters. For an enthusiast? It’s the stuff you tell people about before you even open the trailer door.

Post-retirement status: restored, serviced, and backed by the people who built it

C8.R Corvette parked in the lobby of Pratt Miller Motorsports. — One of the coolest details in this photo isn’t even on the car—it’s on the screen in the upper right: **Gary Pratt and Jim Miller**, the minds behind **Pratt Miller**, the team that has quietly shaped modern Corvette Racing for decades. While the C8.R sits front-and-center like a piece of rolling weaponry, that monitor is a subtle reminder of the truth behind every great race car: *people build these programs*. Pratt and Miller didn’t just help “run” Corvette Racing—they helped define how it wins, how it evolves, and how it stays relevant across rule changes, eras, and expectations. In a story about C8.R-005 going to auction, their presence reinforces the car’s legitimacy: this chassis comes from the source, created by the very leadership that turned Corvette Racing into a benchmark.

Here’s another key detail that makes this listing stand out: the car is described as fully serviced and restored after the 2023 IMSA season, with specific post-program work called out—engine rebuild from GM Powertrain, gearbox overhaul, suspension crack check/service, brakes serviced, race prep, and a post-service shakedown.

The listing also emphasizes something you almost never see with a race car changing hands: ongoing access to Pratt Miller technical support and genuine parts availability (arranged separately as client-directed services). In plain language: you’re not just buying an artifact—you’re buying a machine that can be kept alive correctly, by the people who already know every inch of it.

The bigger picture: one of the last great GTE Corvettes

Cockpit of the C8.R Corvette Race Car by Pratt Miller Motorsports. — This is where the C8.R stops being “a Corvette” and becomes an experience—because the cockpit is pure race car: no comfort tech, no concessions, just a tightly packaged command center where every switch and dial exists to help the driver go faster and stay consistent over long stints. And the detail that absolutely hits home is the **Road Atlanta track map** on the dash—especially for us at Ultimate Corvette, where that place is sacred ground. It’s a perfect reminder that this isn’t a track-day street build; it’s a purpose-built machine designed to punish, reward, and thrill the moment you roll onto the circuit.

The listing frames the C8.R as the final Corvette race car built to GTE regulations, noting that many series have shifted to GT3 rules, which instantly gives the C8.R an “end of an era” kind of gravity. For collectors, that’s the historical hook. For fans, it’s the emotional one: this is a tangible piece of the chapter that bridged Corvette Racing’s modern dominance into the next ruleset.

Quick spec snapshot (from the listing)

C8.R-005 is presented with:

VIN/ID: 005
Engine: GM LT6.R 5.5L flat-plane V8 (dry sump)
Output: 500 hp @ 7,400 rpm, 480 lb-ft
Transmission: Xtrac P529 6-speed sequential, paddleshift
Base weight: 2,745 lbs
Safety/tech: FIA-homologated safety systems; Bosch ECU/data and related electronics listed

Ultimate Corvette take

This is why a car like C8.R-005 hits different: it isn’t “rare” because it has a low build number or a special badge—it’s rare because it earned its reputation the hard way, out on the track, with the kind of intensity that turns machinery into memory. The confetti, the flag, the crowd pressed up against the ropes…that’s the moment every Corvette fan lives for, whether you’re in the grandstands, watching on a livestream, or replaying highlights at midnight like it’s a ritual. And now one of those real-deal Corvette Racing machines is stepping out of the paddock and into the collector world—still loud, still purposeful, still carrying the story with it. If you’ve ever called yourself a Corvette person, you already understand: this is the stuff we’re fans of.

We see plenty of “rare” Corvettes hit the market—low-mile ZR1s, final-year cars, museum deliveries, you name it. But a real, factory-campaigned race chassis—one of six—doesn’t come up in casual conversation, let alone on a public auction site. If you’ve ever wanted something that sits at the intersection of Corvette history, modern engineering, and legitimate motorsport provenance, this is exactly the kind of listing that deserves a spotlight.

Note: Hemmings includes a standard marketplace disclaimer that listing details are provided by the seller and haven’t been verified by Hemmings—so, as always, due diligence and inspection matter.